Ankless Water Heater Installation In Greater Vancouver
Tankless Water Heater Installation in Greater Vancouver
A tankless water heater delivers hot water on demand, frees up valuable floor space, and can last close to twice as long as a conventional tank. But the performance you actually get depends entirely on correct sizing and a code-compliant installation — a tankless unit squeezed in without the right gas, venting, and demand calculation will disappoint. ROMA Heating & Cooling has installed and serviced tankless water heaters across Greater Vancouver since 1999. Our gas-licensed technicians size each unit to your household’s real demand and incoming water temperature, handle the gas, venting, and condensate work properly, and commission the system so you get reliable hot water from day one.
What’s Included in Our Tankless Installation
A tankless install is more involved than swapping a tank, and doing it right is what makes the difference between continuous hot water and a string of nuisance faults. Our service covers:
- Demand sizing — we calculate your peak simultaneous hot-water use and your cold incoming water temperature to choose the right flow rating.
- Gas supply assessment and upgrade — tankless units have a high gas input and often need a larger gas line than a tank.
- Dedicated venting — correct intake and exhaust routing for condensing or non-condensing units.
- Condensate drainage — proper drainage and neutralisation on condensing models.
- Isolation valves — service valves fitted so future descaling and maintenance are quick and clean.
- Commissioning and walkthrough — we set the temperature, test flow, and show you how to operate and maintain it.
Tankless vs Conventional Tank
Homeowners switching from a tank want to understand the trade-offs before committing. Here is how the two compare on the points that matter most:
| Feature | Tankless | Conventional Tank |
|---|---|---|
| Hot water supply | Continuous, within flow limit | Limited by tank capacity |
| Typical lifespan | Around 20 years | Roughly 8–12 years |
| Standby energy loss | None — heats on demand | Constant, keeping water hot |
| Footprint | Compact, wall-mounted | Large floor-standing tank |
| Upfront cost | Higher | Lower |
Why Correct Sizing Is Everything
The most common complaint about tankless water heaters comes from undersizing, not from the technology itself. A unit’s output is rated by how much it can raise the water temperature at a given flow rate — and in BC, the incoming groundwater is cold, especially in winter, which demands more from the heater. If the unit is too small, running a shower and a tap at once can drop the temperature. We calculate your peak demand and the local cold-water inlet temperature so the unit we recommend keeps up under real conditions, every season. This single step prevents the disappointment that drives most negative tankless experiences.
Common Tankless Issues We Prevent and Repair
Most tankless problems come from poor sizing, missed maintenance, or a rushed install. We design those risks out, and we also repair existing units showing:
- Scale-related flow or ignition faults — prevented by annual descaling, especially with harder water.
- Cold-water sandwich — short bursts of cool water between draws, often improved with correct setup or a recirculation option.
- Inadequate flow at peak times — a sizing issue we avoid with a proper demand calculation.
- Error-code lockouts — we diagnose the underlying cause and confirm it against the unit’s manual rather than guessing at a number.
- Venting or condensate problems — installed correctly from the start to avoid nuisance shutdowns.
Our Installation Process
- Assessment — we review your hot-water demand, gas supply, venting routes, and the install location.
- Sizing and quote — we recommend a correctly sized unit with upfront pricing and any rebates.
- Installation — we run gas, venting, water, and condensate to code, neatly and safely, with isolation valves fitted.
- Commissioning — we test flow and temperature, check combustion, and verify safe operation.
- Handover — we register the warranty and explain maintenance to protect your investment.
Maintenance Keeps a Tankless Running for Decades
The twenty-year lifespan a tankless water heater is capable of depends on annual servicing. The most important task is descaling the heat exchanger, because mineral scale is the leading cause of flow restriction, reduced efficiency, and ignition faults — and it builds up faster in areas with harder water. A yearly visit to descale the unit, inspect the venting and combustion, and check the condensate system keeps the heater efficient and reliable. Because we fit isolation valves at installation, descaling is straightforward. We offer maintenance plans across Greater Vancouver so this never gets forgotten.
Is a Tankless Water Heater Right for Your Home?
Tankless makes the most sense for households that value continuous hot water, want to reclaim the floor space a tank occupies, and plan to stay in the home long enough to benefit from the longer lifespan and lower running costs. It is also a strong choice when an existing tank has failed and you are weighing an upgrade rather than a like-for-like swap. The main considerations are the higher upfront cost and, in some homes, a gas-line or venting upgrade — both of which we identify clearly during the quote so you can decide with full information. For most Greater Vancouver homes with a suitable gas supply, the efficiency, space savings, and twenty-year lifespan make tankless a sound long-term investment.
Same-Day Emergency Service Across Metro Vancouver
Losing hot water is more than an inconvenience, and a failed water heater often needs fast action. We provide same-day emergency service across Metro Vancouver, including Vancouver, Burnaby, Richmond, Surrey, Coquitlam, Port Coquitlam, Port Moody, North and West Vancouver, New Westminster, Delta, and Langley. Whether your existing tankless unit has locked out or a tank has failed and you want to upgrade quickly, our technicians arrive equipped to diagnose and restore hot water in a single visit wherever possible. Call (604) 704-0300 and we will prioritise your call.
Why Choose ROMA for Tankless Installation
- Installing tankless systems since 1999 across Greater Vancouver from our Burnaby base.
- Gas-licensed, insured technicians who size and install to BC code.
- Correct sizing from real demand and cold-inlet calculations, not guesswork.
- Maintenance plans that protect efficiency and warranty for the long term.
- 4.8 stars from 158 Google reviews across the Lower Mainland.
Done properly, a tankless water heater is one of the best upgrades a home can make. We make sure yours is sized, installed, and maintained to deliver hot water on demand for decades.
What Our Customers Say
“Friendly and competent; installed a new tankless water heater very promptly and without any delay, after the old one failed.”
— Laurent Dobuzinskis, Google review (★★★★★)
“I had the absolute best experience getting my tankless water heater installed.”
— Alvina August, Google review (★★★★★)
Frequently Asked Questions
How long does a tankless water heater last?
A well-maintained gas tankless water heater typically lasts around twenty years — often roughly double the lifespan of a conventional tank. Annual descaling and servicing are key to reaching that lifespan, especially in areas with harder water.
Will a tankless water heater give me endless hot water?
It provides continuous hot water as long as demand stays within the unit’s flow rating. Correct sizing is essential — an undersized unit can struggle when several fixtures run at once, which is why we calculate your peak demand before recommending a model.
Do I need any upgrades to switch to tankless?
Sometimes. Gas tankless units have a high input and may need a larger gas line, and they require dedicated venting and a condensate drain on condensing models. We assess your gas supply, venting, and electrical during the quote so there are no surprises.
Does a tankless water heater really save money?
Yes, over time. Because it heats water only on demand, it avoids the standby losses of keeping a tank hot around the clock. The efficiency gain plus the longer lifespan usually offsets the higher upfront cost.
How often does a tankless water heater need servicing?
Annually. Descaling the heat exchanger and checking combustion and venting keeps it efficient and prevents the scale buildup that causes flow and ignition faults. We offer maintenance plans across Greater Vancouver.
Related Heating Services
- No Hot Water Emergency
- Hot Water Tank Replacement
- Tankless Water Heater Repair
- Emergency Water Heater Leak Repair
- Why Is My Water Heater Leaking?
Call ROMA Heating & Cooling Today
For fast, professional diagnosis and repair anywhere in Greater Vancouver, call (604) 704-0300 or email info@romaheating.ca. Same-day and after-hours service, gas-licensed and insured, serving the Lower Mainland since 1999.
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What Greater Vancouver Homeowners Say
“Nelson worked hard to get the NTI unit fixed. He was always polite, courteous and on time.”
“As always Nelson was super efficient. Showed up on time and was quick to work. I had a full maintenance done on the fireplaces and furnace. He was awesome. I won’t use anyone else.”
“Excellent service. Andy had a spare Carrier inducer with him which saved us time.”
“Was very prompt to respond to our issues. Technician was scheduled for the day following my initial call.”
“Very professional heating company. Price is reasonable, excellent work.”
“Highly recommend this company. It was a pleasure dealing with Shawn and Nelson.”
“Professional and courteous technicians with attention to detail and customer needs.”
“Always great, friendly service. Serviced the hot water on-demand system. Honest and informative. Thanks!”
“Speedy response time, honest, and professional service from start to finish.”
Why Greater Vancouver Trusts ROMA Heating & Cooling
ROMA Heating & Cooling has installed, repaired and maintained heating and cooling systems across Metro Vancouver since 1999. Our team are TSBC-licensed gas fitters (Gas LGA0202903) and Red Seal-trained technicians — licensed, bonded and insured — and we back every job with upfront, flat-rate pricing and a 100% satisfaction guarantee. We hold a 4.8★ rating from 221+ Google reviews.
- Authorized for 30+ brands (Lennox, Carrier, Viessmann, Navien, Rheem & more)
- Upfront flat-rate pricing — no overtime or hidden fees
- Free, no-obligation estimates on new installations
- Locally owned & operated in Burnaby, BC
No Hidden Fees
Our service rates are transparent and easy to understand. You approve upfront, flat-rate pricing before we start — so you never get a bill you didn’t expect.
Licensed & Bonded
ROMA is a TSBC-licensed gas contractor (Gas LGA0202903). Our technicians are bonded, insured and Red Seal-trained — qualified for any heating or cooling system.
Free Estimates
We offer free, no-obligation estimates on new installations — furnaces, boilers, heat pumps, air conditioners, tankless and hot-water tanks.
ROMA Heating & Cooling is a trusted HVAC contractor serving Metro Vancouver since 1999. We specialize in furnace repair, heat pump installation, boiler services, air conditioning, and emergency heating solutions for residential, commercial, and government clients. Available 24/7, our certified technicians deliver fast, reliable, and affordable HVAC services across Greater Vancouver.